Home / 25,215.39-37,828.65-7,686.59

Finding the Fourth Proportional to 25,215.39, 37,828.65 and 7,686.59

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Solution

The fourth proportional to 25,215.39, 37,828.65 and 7,686.59 is: 11,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.39 : 37,828.65 = 7,686.59 : x
  2. Step 2: Convert to fraction form
    25,215.39/37,828.65 = 7,686.59/x
  3. Step 3: Cross multiply
    25,215.39x = 37,828.65 × 7,686.59
  4. Step 4: Simplify right side
    25,215.39x = 290,773,133.66
  5. Step 5: Solve for x
    x = 290,773,133.66/25,215.39
  6. Step 6: Final answer
    x = 11,531.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.